Fear of homosexuals is never far from the surface. The few people who have supported me after my conviction must be very strong-minded. I do not think most people are equipped to associate with pariahs. They have a shadowy sense of how frail they themselves would be in the face of institutional opposition and stigmatisation, how utterly cast down they would be if they lost their jobs, if people they knew stopped serving them in shops or looked past them in the street. It is not hatred that turns the majority against the minority, but intuitive shame.

Do I need to set down the circumstances? The results are in the papers, and for once in my life I am disinclined to “show my working”. It is strangely more instructive, for me, to imagine other conditions, other lives. But here they are, so that my friends, when they come to these few thoughts, may do likewise.

I had just finished a paper and decided to award myself a pick-up. I met the boy, Cyril, on the fairground. He seemed undernourished and shifty but not unengaging; living, he said, in a hostel, working casually. I bought him pie and chips on the grounds and invited him home for the weekend. He didn’t turn up, so I went back to Brooker’s, waited for the fair to close that night, and took him home soon after. He was not unintelligent, I found – he’d liked the boys’ camp in the war, did some arithmetic there, and knew about Puzzles and Diversions. Cyril was, I’d say, the product of natural sensitivity, working-class starvation and nervous debility. He wouldn’t kiss. We treated ourselves to baths and listened to the late repeat of the Brains Trust programme on learning machines, with Julius Trentham opining, not implausibly in my view, that the human ability to learn is determined by “appetites, desires, drives, instincts” and that a learning machine would require “something corresponding to a set of appetites”. And I said something like, “You see, what I find interesting about that is Julius’s suggestion that all these feelings and appetites, as he calls them, are causal, and programmable. Even these things, which we’re so sure, so instinctively certain, must be the preserve of freely choosing and desiring humans, may be isolated. They can be caused, and they have a cause.” And Cyril was fascinated. He was listening and nodding. I felt so happy and so peculiarly awful. We went to bed and in the morning I unthinkingly offered him some money. He was offended and left in a mood. I then discovered £3 missing from my wallet – he could have taken it at any time, I put nothing away – and I wrote to him at the hostel, calling things off. He turned up on the doorstep the next day, very indignant, making obscure threats which I did not take seriously. He mentioned an unlikely sounding suit hire debt, for £3 of course, and some other outstanding sums and then ended up asking for another £7, which I reluctantly gave him.